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be9e6598ae
linux-next/drivers/iommu
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Lu Baolu be9e6598ae iommu/vt-d: Handle memory shortage on pasid table allocation 
Pasid table memory allocation could return failure due to memory
shortage. Limit the pasid table size to 1MiB because current 8MiB
contiguous physical memory allocation can be hard to come by. W/o
a PASID table, the device could continue to work with only shared
virtual memory impacted. So, let's go ahead with context mapping
even the memory allocation for pasid table failed.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107783
Fixes: cc580e4126 ("iommu/vt-d: Per PCI device pasid table interfaces")

Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Reported-and-tested-by: Pelton Kyle D <kyle.d.pelton@intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2018-09-25 14:33:02 +02:00
..
amd_iommu_debugfs.c iommu/amd: Add basic debugfs infrastructure for AMD IOMMU 2018-07-06 14:06:30 +02:00
amd_iommu_init.c Merge branches 'arm/shmobile', 'arm/renesas', 'arm/msm', 'arm/smmu', 'arm/omap', 'x86/amd', 'x86/vt-d' and 'core' into next 2018-08-08 12:02:27 +02:00
amd_iommu_proto.h iommu/amd: Add basic debugfs infrastructure for AMD IOMMU 2018-07-06 14:06:30 +02:00
amd_iommu_types.h Merge branches 'arm/shmobile', 'arm/renesas', 'arm/msm', 'arm/smmu', 'arm/omap', 'x86/amd', 'x86/vt-d' and 'core' into next 2018-08-08 12:02:27 +02:00
amd_iommu_v2.c mm: convert return type of handle_mm_fault() caller to vm_fault_t 2018-08-17 16:20:28 -07:00
amd_iommu.c IOMMU Update for Linux v4.19 2018-08-24 13:10:38 -07:00
arm-smmu-regs.h iommu/arm-smmu: Split out register defines 2017-08-15 17:34:48 +02:00
arm-smmu-v3.c IOMMU Update for Linux v4.19 2018-08-24 13:10:38 -07:00
arm-smmu.c IOMMU Update for Linux v4.19 2018-08-24 13:10:38 -07:00
dma-iommu.c iommu/dma: Respect bus DMA limit for IOVAs 2018-07-27 19:01:06 +02:00
dmar.c iommu/vt-d: Fix dev iotlb pfsid use 2018-07-06 13:26:10 +02:00
exynos-iommu.c IOMMU Update for Linux v4.19 2018-08-24 13:10:38 -07:00
fsl_pamu_domain.c Merge branches 'arm/exynos', 'arm/renesas', 'arm/rockchip', 'arm/omap', 'arm/mediatek', 'arm/tegra', 'arm/qcom', 'arm/smmu', 'ppc/pamu', 'x86/vt-d', 'x86/amd', 's390' and 'core' into next 2017-09-01 11:31:42 +02:00
fsl_pamu_domain.h iommu/pamu: Fix PAMU boot crash 2017-08-23 16:28:09 +02:00
fsl_pamu.c Merge branches 'arm/exynos', 'arm/renesas', 'arm/rockchip', 'arm/omap', 'arm/mediatek', 'arm/tegra', 'arm/qcom', 'arm/smmu', 'ppc/pamu', 'x86/vt-d', 'x86/amd', 's390' and 'core' into next 2017-09-01 11:31:42 +02:00
fsl_pamu.h iommu/pamu: Fix PAMU boot crash 2017-08-23 16:28:09 +02:00
intel_irq_remapping.c irq_remapping: Use apic_ack_irq() 2018-06-06 15:18:20 +02:00
intel-iommu.c iommu/vt-d: Handle memory shortage on pasid table allocation 2018-09-25 14:33:02 +02:00
intel-pasid.c iommu/vt-d: Per PCI device pasid table interfaces 2018-07-20 14:44:24 +02:00
intel-pasid.h iommu/vt-d: Handle memory shortage on pasid table allocation 2018-09-25 14:33:02 +02:00
intel-svm.c IOMMU Update for Linux v4.19 2018-08-24 13:10:38 -07:00
io-pgtable-arm-v7s.c iommu/io-pgtable-arm-v7s: Abort allocation when table address overflows the PTE 2018-07-26 11:34:58 +01:00
io-pgtable-arm.c iommu/io-pgtable-arm: Fix pgtable allocation in selftest 2018-07-26 11:34:58 +01:00
io-pgtable.c iommu/io-pgtable: Fix a brace coding style issue. 2016-04-05 15:34:29 +02:00
io-pgtable.h iommu/io-pgtable: Use size_t return type for all foo_unmap 2018-02-13 19:31:32 +01:00
iommu-debugfs.c iommu: Enable debugfs exposure of IOMMU driver internals 2018-07-06 14:06:30 +02:00
iommu-sysfs.c iommu: Fix wrong freeing of iommu_device->dev 2017-08-15 13:58:48 +02:00
iommu-traces.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iommu.c iommu: Remove the ->map_sg indirection 2018-08-08 11:06:20 +02:00
iova.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
ipmmu-vmsa.c IOMMU Update for Linux v4.19 2018-08-24 13:10:38 -07:00
irq_remapping.c irq_remapping: Use apic_ack_irq() 2018-06-06 15:18:20 +02:00
irq_remapping.h irq_remapping: Use apic_ack_irq() 2018-06-06 15:18:20 +02:00
Kconfig Merge branches 'arm/shmobile', 'arm/renesas', 'arm/msm', 'arm/smmu', 'arm/omap', 'x86/amd', 'x86/vt-d' and 'core' into next 2018-08-08 12:02:27 +02:00
Makefile Merge branches 'arm/shmobile', 'arm/renesas', 'arm/msm', 'arm/smmu', 'arm/omap', 'x86/amd', 'x86/vt-d' and 'core' into next 2018-08-08 12:02:27 +02:00
msm_iommu_hw-8xxx.h
msm_iommu.c IOMMU Update for Linux v4.19 2018-08-24 13:10:38 -07:00
msm_iommu.h iommu/msm: Make use of iommu_device_register interface 2017-02-10 13:44:57 +01:00
mtk_iommu_v1.c iommu: Remove the ->map_sg indirection 2018-08-08 11:06:20 +02:00
mtk_iommu.c iommu: Remove the ->map_sg indirection 2018-08-08 11:06:20 +02:00
mtk_iommu.h iommu/mediatek: Fix protect memory setting 2018-03-21 06:13:57 -05:00
of_iommu.c iommu: Remove IOMMU_OF_DECLARE 2018-07-10 17:22:35 +02:00
omap-iommu-debug.c iommu/omap: Fix debugfs_create_*() usage 2018-01-17 14:23:33 +01:00
omap-iommu.c Merge branches 'arm/shmobile', 'arm/renesas', 'arm/msm', 'arm/smmu', 'arm/omap', 'x86/amd', 'x86/vt-d' and 'core' into next 2018-08-08 12:02:27 +02:00
omap-iommu.h iommu/omap: Add support to program multiple iommus 2017-09-19 11:32:05 +02:00
omap-iopgtable.h iommu/omap: Use BIT(x) macros in omap-iopgtable.h 2015-08-03 16:04:42 +02:00
qcom_iommu.c IOMMU Update for Linux v4.19 2018-08-24 13:10:38 -07:00
rockchip-iommu.c iommu/rockchip: Free irqs in shutdown handler 2018-09-25 11:13:34 +02:00
s390-iommu.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tegra-gart.c iommu: Remove the ->map_sg indirection 2018-08-08 11:06:20 +02:00
tegra-smmu.c iommu: Remove the ->map_sg indirection 2018-08-08 11:06:20 +02:00